You can choose this simple and inexpensive electronic digital flow meter. With body made of tough, glass-filled polypropylene and PPS chamber, this flow meter handles most liquids and can be calibrated in pints, quarts, liters US gallons or Imperial gallons. It is also highly accurate at 2% at the point of calibration.

There are three simple buttons to control the operation. It is also easy to clean and service. The two 1" NPT female inlet/outlet ports are to the advantage of the installation flexibility. This battery-powered (AA) flow meter works over a wide flow range of 2-20 GPM up to 100 psi, with minimum operating temperature 0° F and maximum 130° F.

Dependable electronic digital flow meter

If you choose these flow meters, that means you want something that is highly dependable and flexible. With easy-to-read and accurate LCD display that shows 6-digit floating decimal, the electronic digital flow meter is hard to resist. Using only 2 lithium cell batteries with 9,000 hours of life, the meters come in 3 different models: aluminum, nylon and stainless rotor construction. Aluminum flow meter has nylon rotor as well, so it is perfect for petroleum products; while nylon flow meter has nylon rotor for water or non-aggressive chemicals. Stainless rotor, on the other hand, has PVDF rotor addressed for aggressive chemicals compatible with stainless steel.